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from __future__ import annotations

import pytest

from airflow.models.dag import DAG
from airflow.providers.redis.hooks.redis import RedisHook
from airflow.providers.redis.sensors.redis_key import RedisKeySensor
from airflow.utils import timezone

DEFAULT_DATE = timezone.datetime(2017, 1, 1)


@pytest.mark.integration("celery")
class TestRedisSensor:
    def setup_method(self):
        args = {"owner": "airflow", "start_date": DEFAULT_DATE}

        self.dag = DAG("test_dag_id", default_args=args)
        self.sensor = RedisKeySensor(
            task_id="test_task", redis_conn_id="redis_default", dag=self.dag, key="test_key"
        )

    def test_poke(self):
        hook = RedisHook(redis_conn_id="redis_default")
        redis = hook.get_conn()
        redis.set("test_key", "test_value")
        assert self.sensor.poke(None), "Key exists on first call."
        redis.delete("test_key")
        assert not self.sensor.poke(None), "Key does NOT exists on second call."
